About: http://webisa.webdatacommons.org/81377485

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	My best guess is that it represents the date, the year 1605, where the initial MD was omitted: I have seen this occasionally elsewhere, and both the style of the lettering and the shape of the plaque fit that date perfectly.
http://www.w3.org/ns/prov#wasQuotedFrom	uchicago.edu